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Theorem bisaiaisb 27985
Description: Application of bicom1 with a, b swapped. (Contributed by Jarvin Udandy, 31-Aug-2016.)
Assertion
Ref Expression
bisaiaisb  |-  ( ( ps  <->  ph )  ->  ( ph 
<->  ps ) )

Proof of Theorem bisaiaisb
StepHypRef Expression
1 bicom1 190 1  |-  ( ( ps  <->  ph )  ->  ( ph 
<->  ps ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    <-> wb 176
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8
This theorem depends on definitions:  df-bi 177
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